Q: Is 1,257,690 a Composite Number?

Why is 1,257,690 a composite number?

A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime number.

The number 1,257,690 can be evenly divided by 1 2 3 5 6 7 10 14 15 21 30 35 42 53 70 105 106 113 159 210 226 265 318 339 371 530 565 678 742 791 795 1,113 1,130 1,582 1,590 1,695 1,855 2,226 2,373 3,390 3,710 3,955 4,746 5,565 5,989 7,910 11,130 11,865 11,978 17,967 23,730 29,945 35,934 41,923 59,890 83,846 89,835 125,769 179,670 209,615 251,538 419,230 628,845 and 1,257,690, with no remainder.

Since 1,257,690 cannot be divided by just 1 and 1,257,690, it is a composite number.

More Examples

• All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).